ScienceShot: X-rays Reveal New Black Hole in Andromeda
Credit: Adam Evans
On 15 January, the XMM-Newton satellite detected a bright source of x-rays in the Andromeda galaxy, 2.5 million light-years from Earth. As astronomers reported online this week in Nature, the x-rays arise from hot gas swirling around a black hole that tears the material from an orbiting star. The object is roughly 10 times as massive as our sun and gobbles matter at nearly the maximum possible rate.
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